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Ruby on Rails Insights

Opinionated Guide To Readable RSpecOpinionated Guide To Readable RSpec
Essential Ruby On Rails PatternsEssential Ruby On Rails Patterns
Ruby On Rails Testing AntipatternsRuby On Rails Testing Antipatterns
How To Setup A Project With Ruby On Rails, PostgreSQL And GraphQL

How To Setup A Project With Ruby On Rails, PostgreSQL And GraphQL

GraphQL is an open source query language created by Facebook. It is a powerful tool that you can use for building your API. It is not a silver bullet but it can definitely help you solve some challenges like getting many resources in a single request.

Ireneusz Skrobiś
Ireneusz Skrobiś
Feb 13, 2019
ruby on rails
A Subjective Guide To Naming Stuff In Ruby on Rails: Classes

A Subjective Guide To Naming Stuff In Ruby on Rails: Classes

Naming things in programming may not be hard (a matter of imagination), but it is definitely hard to do it right. Also, it turns out to be very unclear what “right” means in each and every context. It doesn’t change the fact that in 8 out of 10 PRs I review, I provide a feedback related to naming, be it naming of classes, methods, fields, variables… you name it

Błażej Kosmowski
Błażej Kosmowski
Jul 31, 2018
ruby on rails
An Opinionated Guide To Readable RSpec (part 2 of 2)

An Opinionated Guide To Readable RSpec (part 2 of 2)

In the previous part of this article we focused on making specs we try to write as readable as possible. This however, comes at a cost of duplication and bloated individual tests. While this is a cost we intend to pay, there are ways to mitigate the impact of readability oriented specs on the overall size of our suite.

Błażej Kosmowski
Błażej Kosmowski
May 8, 2018
ruby on rails
Essential RubyOnRails Patterns — Part 4: Form Objects

Essential RubyOnRails Patterns — Part 4: Form Objects

Form Object is a very useful pattern in rails ecosystem as it can address variety of issues and antipatterns. In this article we will attempt to sort out in which situations Form Objects can prove useful and what conventions allow us to make most out of them.

Błażej Kosmowski
Błażej Kosmowski
Apr 26, 2018
ruby on rails
Essential RubyOnRails Patterns — Part 3: Clients And Wrappers

Essential RubyOnRails Patterns — Part 3: Clients And Wrappers

Clients and Wrappers (also referred to as “Facades”) are remarkably useful tools for working with external services, libraries or APIs. While both Clients and Wrappers are primarily used to facilitate usage of before-mentioned libraries or APIs, there are some significant differences in responsibilities each of these patterns have. In some cases a Wrapper can take over a Client’s responsibilities too

Błażej Kosmowski
Błażej Kosmowski
Apr 20, 2018
ruby on rails
RubyOnRails Testing Antipatterns — Part 2/2

RubyOnRails Testing Antipatterns — Part 2/2

In part 1 we have covered antipatterns related to stubbing and problem with implementation details that are a overcomplicated just for the sake of being super easy to tests. In second part we are going to focus more on tests themselves.

Błażej Kosmowski
Błażej Kosmowski
Jan 14, 2018
ruby on rails
RubyOnRails Testing Antipatterns — Part 1/2

RubyOnRails Testing Antipatterns — Part 1/2

When preparing our test suite we might be tempted to make some shortcuts that will render our tests less readable, comprehensible or will significantly decrease the flexibility of further implementation. Below, I try to list some of the most commonly seen techniques we should avoid to keep our test suite healthy.

Błażej Kosmowski
Błażej Kosmowski
Jan 7, 2018
ruby on rails
An Opinionated Guide To Readable RSpec (part 1 of 2)

An Opinionated Guide To Readable RSpec (part 1 of 2)

It is hard to underestimate a value and importance of automated tests. Creating confidence about if the code works the right way and thus enabling safe refactoring is just one thing. Another one is that test suite can act as a way to document behavior and also, especially when approached the BDD way, can drive the code design and architecture.

Błażej Kosmowski
Błażej Kosmowski
Oct 5, 2017
ruby on rails
Essential RubyOnRails Patterns — Part 2: Query Objects

Essential RubyOnRails Patterns — Part 2: Query Objects

Query Objects (also referred to as queries) is another pattern that helps in decomposing your fat ActiveRecord models and keeping your code both slim and readable. While this article is written with Ruby On Rails in mind, it easily applies to other frameworks, especially MVC based and applying ActiveRecord pattern.

Błażej Kosmowski
Błażej Kosmowski
Sep 17, 2017
ruby on rails
Essential RubyOnRails Patterns — Part 1: Service Objects

Essential RubyOnRails Patterns — Part 1: Service Objects

Service objects (sometimes referred to as services) is a holy grail in Ruby On Rails development that helps to decompose your fat ActiveRecord models and keep your controllers slim and readable.

Błażej Kosmowski
Błażej Kosmowski
Jun 13, 2017
ruby on rails
Selleo Ruby On Rails Testing Practices

Selleo Ruby On Rails Testing Practices

With Ruby on Rails as our primary backend technology, we have developed a set of practices for testing our applications. Our goal was to maximize the efficiency of writing tests that cover the most critical parts of the software built.

Błażej Kosmowski
Błażej Kosmowski
Mar 17, 2017
ruby on rails
The Four Indicators Of A Healthy Ruby On Rails Project

The Four Indicators Of A Healthy Ruby On Rails Project

Before starting development on a legacy project, we are often asked to do a quick review of its quality. Some projects are easy to analyze and the task just boils down to a look into a couple of classes, routes file, tests etc.

Błażej Kosmowski
Błażej Kosmowski
Jan 16, 2017
ruby on rails
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